From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id mAU5QuUv003650 for ; Sun, 30 Nov 2008 00:26:56 -0500 Received: from web39701.mail.mud.yahoo.com (web39701.mail.mud.yahoo.com [209.191.106.47]) by mx3.redhat.com (8.13.8/8.13.8) with SMTP id mAU5Q7D5017381 for ; Sun, 30 Nov 2008 00:26:07 -0500 Date: Sat, 29 Nov 2008 21:26:06 -0800 (PST) From: wei kin To: video4linux-list@redhat.com MIME-Version: 1.0 Message-ID: <980206.90162.qm@web39701.mail.mud.yahoo.com> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Subject: Re: Unable to achieve 30fps using 'read()' in C Reply-To: kin2031@yahoo.com List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: video4linux-list-bounces@redhat.com Errors-To: video4linux-list-bounces@redhat.com List-ID: Hi guys, thanks for the advice. However, after I install gspca v2 and run t= he API example in http://www.linuxtv.org/downloads/video4linux/API/V4L2_API= /spec/a16706.htm, I still get only 5fps. I am still wondering how others ma= nage to get higher fps. Or do I need other programming technique such as th= read programming to achieve that? Thanks. Rgds, nik2031 On Sat, 2008-11-29 at 00:27 -0800, wei kin wrote: > I installed qc-usb-0.6.6 and gspca-modules-2.6.18-5-xen-686 in my debian = 2.6.18-5-xen. Below are what I got: >=20 > lsusb > Bus 004 Device 004: ID 046d:0920 Logitech, Inc. QuickCam Express >=20 > dmesg | grep usb > usbcore: registered new driver usbfs > usbcore: registered new driver hub > usb usb1: configuration #1 chosen from 1 choice > usb usb2: configuration #1 chosen from 1 choice > usb usb3: configuration #1 chosen from 1 choice > usb usb4: configuration #1 chosen from 1 choice > usb 4-1: new full speed USB device using uhci_hcd and address 2 > usb 4-1: configuration #1 chosen from 1 choice > usb usb5: configuration #1 chosen from 1 choice >=A0 sda:<6>usb 4-1: USB disconnect, address 2 > usb 4-1: new full speed USB device using uhci_hcd and address 3 > usb 4-1: configuration #1 chosen from 1 choice > usbcore: registered new driver gspca > usb 4-1: USB disconnect, address 3 > usb 4-1: new full speed USB device using uhci_hcd and address 4 > usb 4-1: configuration #1 chosen from 1 choice >=20 > dmesg | grep Logitech > input: ImPS/2 Logitech Wheel Mouse as /class/input/input2 >=20 > I did try out the API example in http://www.linuxtv.org/downloads/video4l= inux/API/V4L2_API/spec/a16706.htm. However, I get error message stated that= =A0 '/dev/video0 is no V4L2 device'. >=20 > Do anyone have any idea?=0A=0A=0A -- video4linux-list mailing list Unsubscribe mailto:video4linux-list-request@redhat.com?subject=unsubscribe https://www.redhat.com/mailman/listinfo/video4linux-list